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/* -*- c++ -*- */
/*
* Copyright 2004,2010,2012,2018 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pccc_decoder_combined_blk_impl.h"
#include <gnuradio/io_signature.h>
#include <gnuradio/trellis/core_algorithms.h>
#include <iostream>
namespace gr {
namespace trellis {
template <class IN_T, class OUT_T>
typename pccc_decoder_combined_blk<IN_T, OUT_T>::sptr
pccc_decoder_combined_blk<IN_T, OUT_T>::make(const fsm& FSMo,
int STo0,
int SToK,
const fsm& FSMi,
int STi0,
int STiK,
const interleaver& INTERLEAVER,
int blocklength,
int repetitions,
siso_type_t SISO_TYPE,
int D,
const std::vector<IN_T>& TABLE,
digital::trellis_metric_type_t METRIC_TYPE,
float scaling)
{
return gnuradio::make_block_sptr<pccc_decoder_combined_blk_impl<IN_T, OUT_T>>(
FSMo,
STo0,
SToK,
FSMi,
STi0,
STiK,
INTERLEAVER,
blocklength,
repetitions,
SISO_TYPE,
D,
TABLE,
METRIC_TYPE,
scaling);
}
template <class IN_T, class OUT_T>
pccc_decoder_combined_blk_impl<IN_T, OUT_T>::pccc_decoder_combined_blk_impl(
const fsm& FSMo,
int STo0,
int SToK,
const fsm& FSMi,
int STi0,
int STiK,
const interleaver& INTERLEAVER,
int blocklength,
int repetitions,
siso_type_t SISO_TYPE,
int D,
const std::vector<IN_T>& TABLE,
digital::trellis_metric_type_t METRIC_TYPE,
float scaling)
: block("pccc_decoder_combined_blk<IN_T,OUT_T>",
io_signature::make(1, 1, sizeof(IN_T)),
io_signature::make(1, 1, sizeof(OUT_T))),
d_FSMo(FSMo),
d_STo0(STo0),
d_SToK(SToK),
d_FSMi(FSMi),
d_STi0(STi0),
d_STiK(STiK),
d_INTERLEAVER(INTERLEAVER),
d_blocklength(blocklength),
d_repetitions(repetitions),
d_SISO_TYPE(SISO_TYPE),
d_D(D),
d_TABLE(TABLE),
d_METRIC_TYPE(METRIC_TYPE),
d_scaling(scaling)
{
assert(d_FSMo.I() == d_FSMi.I());
this->set_relative_rate(1, (uint64_t)d_D);
this->set_output_multiple(d_blocklength);
}
template <class IN_T, class OUT_T>
pccc_decoder_combined_blk_impl<IN_T, OUT_T>::~pccc_decoder_combined_blk_impl()
{
}
template <class IN_T, class OUT_T>
void pccc_decoder_combined_blk_impl<IN_T, OUT_T>::set_scaling(float scaling)
{
gr::thread::scoped_lock guard(this->d_setlock);
d_scaling = scaling;
}
template <class IN_T, class OUT_T>
void pccc_decoder_combined_blk_impl<IN_T, OUT_T>::forecast(
int noutput_items, gr_vector_int& ninput_items_required)
{
int input_required = d_D * noutput_items;
ninput_items_required[0] = input_required;
}
//===========================================================
template <class IN_T, class OUT_T>
int pccc_decoder_combined_blk_impl<IN_T, OUT_T>::general_work(
int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items)
{
gr::thread::scoped_lock guard(this->d_setlock);
int nblocks = noutput_items / d_blocklength;
float (*p2min)(float, float) = NULL;
if (d_SISO_TYPE == TRELLIS_MIN_SUM)
p2min = &min;
else if (d_SISO_TYPE == TRELLIS_SUM_PRODUCT)
p2min = &min_star;
const IN_T* in = (const IN_T*)input_items[0];
OUT_T* out = (OUT_T*)output_items[0];
for (int n = 0; n < nblocks; n++) {
pccc_decoder_combined(d_FSMo,
d_STo0,
d_SToK,
d_FSMi,
d_STi0,
d_STiK,
d_INTERLEAVER,
d_blocklength,
d_repetitions,
p2min,
d_D,
d_TABLE,
d_METRIC_TYPE,
d_scaling,
&(in[n * d_blocklength * d_D]),
&(out[n * d_blocklength]));
}
this->consume_each(d_D * noutput_items);
return noutput_items;
}
template class pccc_decoder_combined_blk<float, std::uint8_t>;
template class pccc_decoder_combined_blk<float, std::int16_t>;
template class pccc_decoder_combined_blk<float, std::int32_t>;
template class pccc_decoder_combined_blk<gr_complex, std::uint8_t>;
template class pccc_decoder_combined_blk<gr_complex, std::int16_t>;
template class pccc_decoder_combined_blk<gr_complex, std::int32_t>;
} /* namespace trellis */
} /* namespace gr */
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